Commodity2005200620072008
Machines for balancing mech. parts$3,448 $63 
Measuring/checking instr., app.& machines, n.e.s. in Ch. 90$22,987$17,624$17,681$134,647
Parts & accessories of the instr., app. & machines of 90.31$3,134$710 $867
Total$29,569$18,334$17,744$135,514